Rule 8.3 - BRITISH ENERGY GROUP

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BRITISH ENERGY GROUP
Class of relevant security    ORD GBP0.10
to which the dealings being
disclosed relate (Note 2)
Date of dealing               08 July 2008

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant      41,286,454      3.99%    1,760,256       0.17%
securities
(2) Derivatives    1,347,839      0.13%      296,648       0.03%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             42,634,293      4.12%    2,056,904       0.20%


(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      28,323               7.3158
Purchase      17,401               7.2770
Purchase      1,400                7.2654
Purchase      22,446               7.2896
Purchase      446                  7.2712
Purchase      129,505              7.1450
Purchase      43,168               7.1450
Purchase      37,765               7.2503
Purchase      20,370               7.2763
Purchase      45                   7.2958
Purchase      1,409                7.2700
Purchase      72,581               7.2764
Purchase      1,000                7.2700
Purchase      172,674              7.1450
Purchase      702                  7.1850
Purchase      20,682               7.2696
Purchase      6,700                7.2550
Purchase      349                  7.2700
Purchase      349                  7.2700
Sale          172,674              7.1450
Sale          51,708               7.1839
Sale          44,783               7.2441
Sale          2,076                7.2700
Sale          22,627               7.2506
Sale          20,032               7.2700
Sale          119,282              7.2700
Sale          1,246                7.3100
Sale          9,030                7.3000
Sale          31,301               7.2725
Sale          23,814               7.2700
Sale          658                  7.2700

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          51708         7.1838
CFD            Long          44783         7.2441
CFD            Long          119282        7.2699
CFD            Long          31301         7.2725
CFD            Long          9030          7.3
CFD            Long          1246          7.31
CFD            Short         37765         7.2503
CFD            Short         22627         7.2506
CFD            Short         1400          7.2653
CFD            Short         446           7.2711
CFD            Short         92951         7.2763
CFD            Short         17401         7.2769
CFD            Short         22446         7.2896
CFD            Short         45            7.2957
CFD            Short         28323         7.3157

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.




Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         09 July 2008
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk